.container
    width 600px
    margin auto
    border 1px solid $darkblue
    overflow hidden
    .title
        font-size 1.5em
        text-align center
        padding 5px 0
    .tip
        text-align center
        p
            padding 0 10px
        a
            display inline-block
    .wood-box
        position relative
        width 100%
        height 302px
        background url("../img/wave.jpg")
        background-size 100% 100%
        border-top 1px solid $darkblue
        border-bottom 1px solid $darkblue
        .wood-origin
            width 200px
            bottom 0
        .wood,.moveWood
            position absolute
            width 200px
            height 20px
            background url("../img/wood.png")
            background-size 100% 100%
        .score
            position absolute
            width 40px
            height 40px
            top 0
            right 0
            line-height 40px
            text-align center
            color $red
            font-size 24px
    .catch
        width 200px
        margin 10px auto
        padding 5px 10px
        background-color $yellow
        color $white
        border-radius 4px
        font-size 1.5em
        text-align center
@media screen and (max-width 768px)
    .container
        width 100%